The Rombout Patent was a Colonial era land patent issued by King James II of England in 1685 sanctioning the right of Francis Rombouts and his partners Stephanus Van Cortlandt and Jacobus Kip to own some 85,000 acres (34,000 ha) of land they had purchased from Native Americans. The Patent included most of what is today's southern Dutchess County, New York.
It was the first of fourteen patents granted between 1685 and 1706 which came to cover the entirety of historic Dutchess County (which until 1812 included today's Putnam County). The first eleven, granted between 1685 and 1697, covered every foot of Hudson River shoreline in the original county. The last three, 1703–1706, laid claim to the remaining interior lands.